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Finding the Fourth Proportional to 54,483.64, 81,616.10 and 39,723.82

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Solution

The fourth proportional to 54,483.64, 81,616.10 and 39,723.82 is: 59,506.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,483.64 : 81,616.10 = 39,723.82 : x
  2. Step 2: Convert to fraction form
    54,483.64/81,616.10 = 39,723.82/x
  3. Step 3: Cross multiply
    54,483.64x = 81,616.10 × 39,723.82
  4. Step 4: Simplify right side
    54,483.64x = 3,242,103,265.50
  5. Step 5: Solve for x
    x = 3,242,103,265.50/54,483.64
  6. Step 6: Final answer
    x = 59,506.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.